<template>
  <div class="home-wrapper">
    <home-header ></home-header>
    <home-swiper :list="swiperList"></home-swiper>
    <home-icons :list="iconList"></home-icons>
    <home-recommend :list="recommendList"></home-recommend>
    <home-weekend :list="weekendList"></home-weekend>
  </div>
</template>

<script>
  import HomeHeader from './components/Header'
  import HomeSwiper from './components/Swiper'
  import HomeIcons from './components/Icons'
  import HomeRecommend from './components/Recommend'
  import HomeWeekend from './components/Weekend'
  import axios from 'axios'
  import {mapGetters} from 'vuex'
  export default {
    name: "Home",
    data () {
      return {
        swiperList: [],
        iconList: [],
        recommendList: [],
        weekendList: [],
        lastCity: ''
      }
    },
    computed: {
      ...mapGetters([
        'city'
      ])
    },
    mounted () {
      this.getHomeInfo();
      this.lastCity = this.city;
    },
    // keep-alive后的声明周期
    activated () {
      // 当页面中的城市也vuex中的城市补一页时，重新请求数据
      if (this.lastCity !== this.city) {
        this.lastCity = this.city;
        this.getHomeInfo();
      }
    },
    methods:{
      getHomeInfo () {
        axios.get(`/api/index.json?city=${this.city}`).then(this.getHomeInfoSucc)
      },
      getHomeInfoSucc (res) {
        res = res.data;
        if (res.ret && res.data) {
          const data = res.data;
          this.swiperList = data.swiperList;
          this.iconList = data.iconList;
          this.recommendList = data.recommendList;
          this.weekendList = data.weekendList;
        }
      }
    },
    components: {
      HomeHeader,
      HomeSwiper,
      HomeIcons,
      HomeRecommend,
      HomeWeekend
    }
  }
</script>

<style scoped>

</style>
